: Enabling advanced protocols like Double VPN or Static IP options that are hidden or disabled for free users. 3. Security & Anti-Piracy Measures To protect the Pro Key feature from being bypassed:
: Click the three-line icon (menu) in the top-right corner or look for the "Log In" / "Activate" button. Enter Your Key itop vpn pro key
The core feature must handle the transition from a "Free" user to a "Pro" user. : Enabling advanced protocols like Double VPN or